Headset controller



FIG. 1 is a perspective view of a headset controller;

FIG. 2 is a front elevational view of the headset controller;

FIG. 3 is a rear elevational view of the headset controller;

FIG. 4 is a left side elevational view of the headset controller;

FIG. 5 is a right side elevational view of the headset controller;

FIG. 6 is a top plan view of the headset controller;

FIG. 7 is a bottom plan view of the headset controller; and,

FIG. 8 is a reference view showing a state of use of the headset controller.

Portions of the drawings shown in broken lines are for illustrative purposes only and form no part of the claimed design. 

CLAIM We claim the ornamental design for a headset controller, as shown and described. 